CN110972292A - SR resource configuration method, LCH-based resource request method and equipment - Google Patents

SR resource configuration method, LCH-based resource request method and equipment Download PDF

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CN110972292A
CN110972292A CN201811146499.1A CN201811146499A CN110972292A CN 110972292 A CN110972292 A CN 110972292A CN 201811146499 A CN201811146499 A CN 201811146499A CN 110972292 A CN110972292 A CN 110972292A
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lch
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pucch resource
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CN110972292B (en
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黄学艳
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

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Abstract

The invention provides an SR resource allocation method, a resource request method and equipment based on LCH (link control), belonging to the technical field of wireless communication, wherein the SR resource allocation method applied to network side equipment comprises the following steps: sending configuration information to a terminal, wherein the configuration information comprises: the common PUCCH resource and/or the special PUCCH resource of the LCH of the terminal for transmitting the SR, wherein the common PUCCH resource is a PUCCH resource which can be shared by the LCH and other LCHs of the terminal, and the special PUCCH resource is a PUCCH resource which is exclusive to the LCH. In the embodiment of the invention, the common PUCCH shared with other LCHs can be configured for the LCH of the terminal, thereby solving the problem of insufficient PUCCH resources for transmitting the SR.

Description

SR resource configuration method, LCH-based resource request method and equipment
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to an SR resource configuration method, and a resource request method and device based on LCH.
Background
In LTE (Long Term Evolution), Scheduling Request (SR) configuration is a UE (user equipment) granularity configuration, and when there is data to be transmitted in the UE, the UE sends the SR to the base station side.
SR configuration in NR (New Radio, New air interface) is a configuration of a Local Channel (LCH) level, and an SR of a LCH trigger of the same SR configuration belongs to one SR process. From the standard point of view, the maximum value of the number of SR configurations is the number of LCHs. I.e. several relatively independent SR processes may exist for each UE at the same time. From the SR configuration perspective, the resources of each SRprocedure should be orthogonal to avoid scheduling collision.
Therefore, in the 5G (fifth generation mobile communication technology) NR, there is a problem that SR resources cannot be allocated to the partial LCH due to a shortage of SR resources.
Disclosure of Invention
In view of this, the present invention provides an SR resource allocation method, a resource request method based on LCH, and a device, which are used to solve the problem that SR resources are insufficient when the allocation of SR resources in 5G NR is the allocation of LCH granularity.
To solve the foregoing technical problem, in a first aspect, the present invention provides an SR resource configuration method applied to a network side device, including:
sending configuration information to a terminal, wherein the configuration information comprises: the common PUCCH resource and/or the special PUCCH resource of the LCH of the terminal for transmitting the SR, wherein the common PUCCH resource is a PUCCH resource which can be shared by the LCH and other LCHs of the terminal, and the special PUCCH resource is a PUCCH resource which is exclusive to the LCH.
Preferably, for the terminal, the common PUCCH resources are zero, one, or multiple.
Preferably, there is zero or one dedicated PUCCH resource for each LCH of the terminal.
Preferably, there is zero or one common PUCCH resource for each LCH of the terminal.
In a second aspect, the present invention further provides a resource request method based on LCH, applied to a terminal, including:
and when the LCH of the terminal has data to be uploaded, the common PUCCH resource and/or the special PUCCH resource corresponding to the LCH are/is utilized to send the SR to the network side equipment.
Preferably, the terminal should have zero or one or more common PUCCH resources.
Preferably, the LCH corresponds to zero or one dedicated PUCCH resource.
Preferably, the LCH corresponds to zero or one common PUCCH resource.
In a third aspect, the present invention further provides a network side device, including:
a transceiver for transmitting configuration information to a terminal, the configuration information including: the common PUCCH resource and/or the special PUCCH resource of the LCH of the terminal for transmitting the SR, wherein the common PUCCH resource is a PUCCH resource which can be shared by the LCH and other LCHs of the terminal, and the special PUCCH resource is a PUCCH resource which is exclusive to the LCH.
Preferably, for the terminal, the common PUCCH resources are zero, one, or multiple.
Preferably, there is zero or one dedicated PUCCH resource for each LCH of the terminal.
Preferably, there is zero or one common PUCCH resource for each LCH of the terminal.
In a fourth aspect, the present invention further provides a terminal, including:
and the transceiver is used for transmitting the SR to network side equipment by utilizing the public PUCCH resource and/or the special PUCCH resource corresponding to the LCH when the LCH of the terminal has data to be uploaded.
Preferably, the terminal should have zero or one or more common PUCCH resources.
Preferably, the LCH corresponds to zero or one dedicated PUCCH resource.
Preferably, the LCH corresponds to zero or one common PUCCH resource.
In a fifth aspect, the present invention further provides a network-side device, including a memory, a processor, and a computer program stored in the memory and executable on the processor; the processor implements any of the SR resource configuration methods described above when executing the computer program.
In a sixth aspect, the present invention further provides a terminal, including a memory, a processor, and a computer program stored on the memory and executable on the processor; the processor implements any of the above-described LCH-based resource request methods when executing the computer program.
In a seventh aspect, the present invention further provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of any of the SR resource configuration methods described above or the steps of any of the LCH-based resource request methods described above.
The technical scheme of the invention has the following beneficial effects:
the embodiment of the invention is mainly suitable for 5G NR, and the network side equipment independently configures resources for sending the SR for each LCH of the terminal, namely the SR configuration in NR is the configuration of LCH granularity (level). When SR resources (PUCCH resources) are configured for the LCH of the terminal, SR resources that can be shared with other LCHs can be configured for the LCH, thereby solving the problem that some LCHs do not have corresponding SR resources due to SR resource shortage.
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Fig. 1 is a flowchart illustrating an SR resource allocation method according to a first embodiment of the present invention;
fig. 2 is a flowchart illustrating a resource request method based on LCH according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a network-side device in a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a network-side device in a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal in a sixth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
In LTE, SR configuration is configured by RRC (Radio Resource Control). The SR configuration information in 3GPP (Third Generation Partnership project) protocol 36.331 is as follows:
Figure BDA0001816890280000041
the eNodeB (base station) may allocate one dedicated SR resource (PUCCH format 1) for transmitting the SR for each UE. The SR resource is periodic, occurring once every n subframes. The period of the SR is by IE: sr-ConfigIndex field of SchedulingRequestConfig. The SR-ConfigIndex corresponds to the srperiod and SR subframe offset in the following table (see 3GPP protocol 36.213 for details):
TABLE 1 UE-SPECIFIC SR RESOURCE PERIODIC AND SUB-FRAME INTERVAL CONFIGURATIONS
Figure BDA0001816890280000051
In SR procedure, when an SR is triggered, it is a pending SR. When the base station allocates uplink resources and the UE reports a BSR (buffer state report), all pendingsrs are cancelled and the sr-prohibittimer is stopped. The SR-prohibittimer is used to characterize the interval of the pending SR, with an optional value of 0-7 according to 3GPP protocol 36.331. That is, corresponding to one SR procedure, SR resources are idle during the time that SR prohibits trigger. Similarly, in 5GNR, SR resources are idle during the time SR prohibits trigger, and thus the idle SR resources are available for other LCHs.
Referring to fig. 1, fig. 1 is a schematic flowchart of an SR resource allocation method according to an embodiment of the present invention, where the method is applied to a network device, and includes the following steps:
step 11: sending configuration information to a terminal, wherein the configuration information comprises: a common PUCCH (Physical Uplink Control Channel) resource and/or a dedicated PUCCH resource of an LCH (logical Channel) of the terminal, where the common PUCCH resource is a PUCCH resource that can be shared by the LCH and another LCH of the terminal, and the dedicated PUCCH resource is a PUCCH resource dedicated to the LCH.
The embodiment of the invention is mainly suitable for 5G NR, and the network side equipment independently configures resources for sending the SR for each LCH of the terminal, namely the SR configuration in NR is the configuration of LCH granularity (level). When SR resources (PUCCH resources) are configured for the LCH of the terminal, SR resources that can be shared with other LCHs can be configured for the LCH, thereby solving the problem that some LCHs do not have corresponding SR resources due to SR resource shortage.
In the 3GPP protocol, the SR configuration information about NR is:
Figure BDA0001816890280000061
wherein sr-PUCCH-ResourceIndex-Common and sr-PUCCH-ResourceIndex-Specific/dedicate correspond to sr-PUCCH-ResourceIndex in LTE.
The SR resource allocation method described above is exemplified below.
In an optional specific embodiment, for the terminal, the common PUCCH resources are zero, one, or multiple. In this embodiment of the present invention, each LCH of a certain terminal may be configured with a Dedicated SR resource (SR-PUCCH-resource index-Specific/Dedicated), or a part of the LCHs in the terminal may be configured with a Common SR resource (SR-PUCCH-resource index-Common) that can be shared with other LCHs, where the Common SR resource may be one or more, and when the number of the Common SR resources is multiple, part of the LCHs in the terminal share one Common SR resource, and another part of the LCHs share other SR resources. The common PUCCH resource may be shared only by the LCH of the terminal and may not be shared by LCHs of other terminals.
For each LCH of the terminal, zero or one dedicated PUCCH resource is corresponding.
And for each LCH of the terminal, zero or one common PUCCH resource is corresponding.
Each LCH corresponds to at least one of a dedicated PUCCH resource and a common PUCCH resource, and a partial LCH may correspond to one dedicated PUCCH resource and one common PUCCH resource at the same time.
Referring to fig. 2, fig. 2 is a flowchart illustrating a resource request method based on LCH according to a second embodiment of the present invention, where the method is applied to a terminal and includes the following steps:
step 21: and when the LCH of the terminal has data to be uploaded, the common PUCCH resource and/or the special PUCCH resource corresponding to the LCH are/is utilized to send the SR to the network side equipment.
In the embodiment of the present invention, each LCH of the terminal is configured with at least one of a common PUCCH resource and a dedicated PUCCH resource, that is, when the PUCCH resource for SR transmission is insufficient, a part of LCHs of the terminal may share the common PUCCH resource with other LCHs, so that the part of LCHs can transmit an SR to a network side device by using the common PUCCH resource when there is data to be uploaded.
Since different SR resources (PUCCH resources) have different positions, the network side device may determine which LCH of which terminal needs to upload data according to the position of the PUCCH resource receiving the SR, and then perform scheduling of uplink resources according to relevant information (e.g., priority, QoS (quality of service flow), etc.) of the LCH.
The above-mentioned LCH-based resource request method is exemplified below.
In an alternative embodiment, the terminal should have zero or one or more common PUCCH resources.
Optionally, the LCH corresponds to zero or one dedicated PUCCH resource.
Optionally, the LCH corresponds to zero or one common PUCCH resource.
The SR-prohibittimer (SR timer) is an integer multiple of SR-period. That is, corresponding to one SRprocedure, SR resources are idle during the time that SR prohibits trigger. Therefore, for a certain common PUCCH resource, after an LCH transmits an SR by using the common PUCCH, the LCH enters the SR-suppression timer timing time and is prohibited from triggering the SR, and other LCHs can transmit the SR by using the common PUCCH in the time.
In this embodiment of the present invention, the terminal sends the SR to the network side device by using the SR resource (PUCCH resource) configured by the network side device in the first embodiment, and the content of the SR may refer to the first embodiment.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a network-side device according to a third embodiment of the present invention, where the network-side device 300 includes:
a transceiver 301, configured to send configuration information to a terminal, where the configuration information includes: the common PUCCH resource and/or the special PUCCH resource of the LCH of the terminal for transmitting the SR, wherein the common PUCCH resource is a PUCCH resource which can be shared by the LCH and other LCHs of the terminal, and the special PUCCH resource is a PUCCH resource which is exclusive to the LCH.
The embodiment of the invention is mainly suitable for 5G NR, and the network side equipment independently configures resources for sending the SR for each LCH of the terminal, namely the SR configuration in NR is the configuration of LCH granularity (level). When SR resources (PUCCH resources) are configured for the LCH of the terminal, SR resources that can be shared with other LCHs can be configured for the LCH, thereby solving the problem that some LCHs do not have corresponding SR resources due to SR resource shortage.
Specifically, for the terminal, the common PUCCH resources are zero, one, or multiple.
Specifically, for each LCH of the terminal, there is zero or one dedicated PUCCH resource.
Specifically, for each LCH of the terminal, there is zero or one common PUCCH resource.
The embodiment of the present invention is a product embodiment corresponding to the above method embodiment, and therefore, detailed description is omitted here, and please refer to the first embodiment in detail.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a terminal according to a fourth embodiment of the present invention, where the terminal 400 includes:
and the transceiver 401 is configured to send an SR to a network side device by using a common PUCCH resource and/or a dedicated PUCCH resource corresponding to the LCH when the LCH of the terminal has data to upload.
In the embodiment of the present invention, each LCH of the terminal is configured with at least one of a common PUCCH resource and a dedicated PUCCH resource, that is, when the PUCCH resource for SR transmission is insufficient, a part of LCHs of the terminal may share the common PUCCH resource with other LCHs, so that the part of LCHs can transmit an SR to a network side device by using the common PUCCH resource when there is data to be uploaded.
Specifically, the terminal should have zero or one or more common PUCCH resources.
Specifically, the LCH corresponds to zero or one dedicated PUCCH resource.
Specifically, the LCH corresponds to zero or one common PUCCH resource.
The embodiment of the present invention is a product embodiment corresponding to the above method embodiment, and therefore, detailed description is omitted here, and please refer to the second embodiment.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a network-side device according to a fifth embodiment of the present invention, where the network-side device 500 includes a processor 501, a memory 502, and a computer program stored in the memory 502 and capable of running on the processor 501; the processor 501, when executing the computer program, implements the following steps:
sending configuration information to a terminal, wherein the configuration information comprises: the common PUCCH resource and/or the special PUCCH resource of the LCH of the terminal for transmitting the SR, wherein the common PUCCH resource is a PUCCH resource which can be shared by the LCH and other LCHs of the terminal, and the special PUCCH resource is a PUCCH resource which is exclusive to the LCH.
The embodiment of the invention is mainly suitable for 5G NR, and the network side equipment independently configures resources for sending the SR for each LCH of the terminal, namely the SR configuration in NR is the configuration of LCH granularity (level). When SR resources (PUCCH resources) are configured for the LCH of the terminal, SR resources that can be shared with other LCHs can be configured for the LCH, thereby solving the problem that some LCHs do not have corresponding SR resources due to SR resource shortage.
Optionally, for the terminal, the common PUCCH resources are zero, one, or multiple.
Optionally, for each LCH of the terminal, there is zero or one dedicated PUCCH resource.
Optionally, for each LCH of the terminal, there is zero or one common PUCCH resource.
The specific working process of the embodiment of the present invention is the same as that of the first embodiment of the method, and therefore, detailed description is not repeated here, and please refer to the description of the method steps in the first embodiment.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a terminal according to a sixth embodiment of the present invention, where the terminal 600 includes a processor 601, a memory 602, and a computer program stored in the memory 602 and capable of running on the processor 601; the processor 601, when executing the computer program, implements the following steps:
and when the LCH of the terminal has data to be uploaded, the common PUCCH resource and/or the special PUCCH resource corresponding to the LCH are/is utilized to send the SR to the network side equipment.
In the embodiment of the present invention, each LCH of the terminal is configured with at least one of a common PUCCH resource and a dedicated PUCCH resource, that is, when the PUCCH resource for SR transmission is insufficient, a part of LCHs of the terminal may share the common PUCCH resource with other LCHs, so that the part of LCHs can transmit an SR to a network side device by using the common PUCCH resource when there is data to be uploaded.
Optionally, the terminal should have zero or one or more common PUCCH resources.
Optionally, the LCH corresponds to zero or one dedicated PUCCH resource.
Optionally, the LCH corresponds to zero or one common PUCCH resource.
The specific working process of the embodiment of the present invention is the same as that of the second embodiment of the method, and therefore, the detailed description thereof is omitted, and refer to the description of the method steps in the second embodiment.
A seventh embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps in any one of the SR resource configuration methods in the first embodiment or the steps in any one of the LCH-based resource request methods in the second embodiment. Please refer to the above description of the method steps in the corresponding embodiments.
The network side device in the embodiment of the present invention may be a Base Transceiver Station (BTS) in Global System for mobile communication (GSM) or Code Division Multiple Access (CDMA), may also be a Base Station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), may also be an evolved Node B (evolved Node B, eNB or eNodeB) in LTE, or a relay Station or Access point, or a Base Station in a future 5G network, and the like, which is not limited herein.
The terminal in the embodiments of the present invention may be a wireless terminal or a wired terminal, and the wireless terminal may be a device providing voice and/or other service data connectivity to a user, a handheld device having a wireless connection function, or other processing devices connected to a wireless modem. A wireless terminal, which may be a mobile terminal such as a mobile telephone (or "cellular" telephone) and a computer having a mobile terminal, e.g., a portable, pocket, hand-held, computer-included, or vehicle-mounted mobile device, may communicate with one or more core networks via a Radio Access Network (RAN), and may exchange language and/or data with the RAN. For example, devices such as Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, and Personal Digital Assistants (PDAs) are used. A wireless Terminal may also be referred to as a system, a Subscriber Unit (Subscriber Unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile), a Remote Station (Remote Station), a Remote Terminal (Remote Terminal), an Access Terminal (Access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), and a Terminal (User device or User Equipment), which are not limited herein.
Such computer-readable media, which include both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (19)

1. An SR resource configuration method is applied to network side equipment, and is characterized by comprising the following steps:
sending configuration information to a terminal, wherein the configuration information comprises: the common PUCCH resource and/or the special PUCCH resource of the LCH of the terminal for transmitting the SR, wherein the common PUCCH resource is a PUCCH resource which can be shared by the LCH and other LCHs of the terminal, and the special PUCCH resource is a PUCCH resource which is exclusive to the LCH.
2. The SR resource configuration method of claim 1, wherein said common PUCCH resources are zero, one, or multiple for said terminal.
3. The SR resource configuration method of claim 1, wherein for each said LCH of said terminal, there is zero or one dedicated PUCCH resource.
4. The SR resource configuration method of claim 1 or 3, wherein there is zero or one common PUCCH resource for each LCH of said terminal.
5. A resource request method based on LCH is applied to a terminal, and is characterized by comprising the following steps:
and when the LCH of the terminal has data to be uploaded, the common PUCCH resource and/or the special PUCCH resource corresponding to the LCH are/is utilized to send the SR to the network side equipment.
6. The LCH-based resource request method of claim 5, wherein the terminal has zero or one or more of the common PUCCH resources.
7. The LCH-based resource request method of claim 5, wherein the LCH corresponds to zero or one dedicated PUCCH resource.
8. The LCH-based resource request method according to claim 5 or 7, wherein the LCH corresponds to zero or one common PUCCH resource.
9. A network-side device, comprising:
a transceiver for transmitting configuration information to a terminal, the configuration information including: the common PUCCH resource and/or the special PUCCH resource of the LCH of the terminal for transmitting the SR, wherein the common PUCCH resource is a PUCCH resource which can be shared by the LCH and other LCHs of the terminal, and the special PUCCH resource is a PUCCH resource which is exclusive to the LCH.
10. The network-side device of claim 9, wherein the common PUCCH resources are zero, one, or multiple for the terminal.
11. The network side device of claim 9, wherein there is zero or one dedicated PUCCH resource for each LCH of the terminal.
12. The network side device according to claim 9 or 11, wherein there is zero or one common PUCCH resource for each LCH of the terminal.
13. A terminal, comprising:
and the transceiver is used for transmitting the SR to network side equipment by utilizing the public PUCCH resource and/or the special PUCCH resource corresponding to the LCH when the LCH of the terminal has data to be uploaded.
14. The terminal of claim 13, wherein the terminal has zero or one or more common PUCCH resources.
15. The terminal of claim 13, wherein the LCH corresponds to zero or one dedicated PUCCH resource.
16. The terminal according to claim 13 or 15, wherein the LCH corresponds to zero or one common PUCCH resource.
17. A network-side device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor; characterized in that the processor, when executing the computer program, implements the SR resource configuration method according to any of claims 1-4.
18. A terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor; characterized in that the processor, when executing the computer program, implements the LCH-based resource request method according to any of claims 5-8.
19. A computer readable storage medium, having stored thereon a computer program, characterized in that the computer program, when being executed by a processor, is adapted to carry out the steps of the SR resource configuration method of any of the claims 1-4 or the steps of the LCH-based resource request method of any of the claims 5-8.
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